Montrose

$229+ Cheap flights from Illinois to Montrose (MTJ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MTJ
Jan 17 — Jan 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Montrose with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Montrose

Cheapest flights from Illinois to Montrose
Explore the most affordable flight options available from Illinois to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:45 pmSTL - MTJ
1 stop6h 41mUnited Airlines
Mon 12/293:25 pmMTJ - STL
1 stop5h 57mUnited Airlines
Deal found 12/17$319
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:50 amORD - MTJ
Nonstop3h 49mUnited Airlines
Thu 12/2512:25 pmMTJ - ORD
Nonstop3h 09mUnited Airlines
Deal found 12/17$434
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:45 amORD - MTJ
1 stop4h 41mUnited Airlines
Wed 12/2412:25 pmMTJ - ORD
Nonstop3h 09mUnited Airlines
Deal found 12/17$444
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:50 amORD - MTJ
Nonstop3h 49mUnited Airlines
Tue 12/233:25 pmMTJ - ORD
1 stop7h 34mUnited Airlines
Deal found 12/17$499
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:36 amORD - MTJ
1 stop7h 27mAmerican Airlines
Wed 12/2412:21 pmMTJ - ORD
1 stop6h 16mAmerican Airlines
Deal found 12/17$509
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:25 amORD - MTJ
1 stop6h 38mAmerican Airlines
Thu 12/252:43 pmMTJ - ORD
2 stops16h 27mAmerican Airlines
Deal found 12/17$513
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:50 amORD - MTJ
Nonstop3h 49mUnited Airlines
Wed 12/2412:25 pmMTJ - ORD
Nonstop3h 09mUnited Airlines
Deal found 12/17$514
This Southwest deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:05 amORD - MTJ
2 stops11h 45mSouthwest
Thu 12/2512:05 pmMTJ - ORD
2 stops9h 30mSouthwest
Deal found 12/17$539
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:36 amORD - MTJ
1 stop7h 27mAmerican Airlines
Tue 12/232:43 pmMTJ - ORD
2 stops15h 44mAmerican Airlines
Deal found 12/17$566
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 amSTL - MTJ
1 stop6h 09mUnited Airlines
Sun 1/47:00 amMTJ - STL
2 stops8h 27mUnited Airlines
Deal found 12/16$688

Find flight deals from Illinois to Montrose

Keep the following information in mind while searching for Illinois to Montrose flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(United Airlines)

Popular in

February

Cheapest in

August

Average price

$507

Good round-trip deal

$528 or less
Provider with most accurate pricing for Chicago (CHI)-Montrose County flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Montrose County flights.
From Illinois to Montrose County
Highest demand for flights based on searches. 15% potential increase in price ($82 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Illinois to Montrose County.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Montrose that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Illinois to Montrose that are best for you.

Fly from

Illinois

Fly to

Montrose

Route

Depart

Return

Price

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Sat 1/10

6:00 am-1:01 pm

1 stop8h 01m

Montrose County

Wed 1/14

1:40 pm-10:00 pm

1 stop7h 20m

$281

PeoriaMontrose

PIA - MTJ

PIAMTJ

Greater Peoria

Sat 1/10

8:35 am-12:30 pm

1 stop4h 55m

Montrose County

Wed 1/14

1:05 pm-9:39 pm

1 stop7h 34m

$281

MolineMontrose

MLI - MTJ

MLIMTJ

Moline Quad-City

Sat 1/10

8:46 am-2:32 pm

1 stop6h 46m

Montrose County

Wed 1/14

1:32 pm-8:34 pm

1 stop6h 02m

$281

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Thu 2/19

9:15 am-12:02 pm

Nonstop3h 47m

Montrose County

Tue 2/24

12:45 pm-4:49 pm

Nonstop3h 04m

$302

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Sat 1/10

8:45 am-11:27 am

Nonstop3h 42m

Montrose County

Wed 1/14

1:05 pm-5:14 pm

Nonstop3h 09m

$309

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Fri 1/30

7:00 am-12:30 pm

1 stop6h 30m

Montrose County

Wed 2/4

1:05 pm-5:14 pm

Nonstop3h 09m

$319

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Mon 2/23

4:30 pm-8:21 pm

1 stop4h 51m

Montrose County

Sat 2/28

1:32 pm-8:26 pm

1 stop5h 54m

$322

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Fri 2/20

8:40 am-2:37 pm

1 stop6h 57m

Montrose County

Tue 2/24

1:32 pm-7:50 pm

1 stop5h 18m

$324

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Tue 2/17

9:15 am-12:02 pm

Nonstop3h 47m

Montrose County

Mon 2/23

3:33 pm-11:59 pm

1 stop7h 26m

$350

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Mon 3/9

6:25 am-12:02 pm

1 stop6h 37m

Montrose County

Sat 3/14

3:39 pm-8:57 pm

1 stop4h 18m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Illinois to Montrose

Have a flexible travel schedule? Discover the best time to fly to Montrose from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Montrose

What is the cheapest month to book a flight from Illinois to Montrose?

Currently, February is the cheapest month in which you can book a flight from Illinois to Montrose (average of $191). Flying from Illinois to Montrose in April is currently the most expensive (average of $344). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to MTJ?

Find hourly flight availability from Illinois to Montrose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from Illinois to Montrose, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 46% versus a flight in the evening.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Montrose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Montrose from Illinois?

    Montrose County (MTJ) is the airport you will fly into if you book a flight from Illinois to Montrose. It is only a 2.3 mi journey from Montrose County (MTJ) to Montrose’s city center.

  • How long is the flight from Illinois to Montrose?

    There are many flights that can get you from Illinois to Montrose in 8h 01m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 944 mi.

  • What are the most popular routes from Illinois to Montrose?

  • What are the cheapest flights from Illinois to Montrose?

    While on average a flight from Illinois to Montrose is generally $607, our data shows the cheapest flight currently is $291. When looking at the most popular route, (Chicago O'Hare Intl - Montrose County), you can expect to pay $239 for that flight.

  • Can I find deals for flights from Illinois to Montrose that include hotel bookings?

    Yes. In addition to deals on Illinois to Montrose flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Montrose?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Montrose.

  • Can I find deals for business class flights from Illinois to Montrose?

    Yes. Cheapflights offers flight deals from Illinois to Montrose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Montrose?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Montrose (average of $191). Flying from Illinois to Montrose in April is currently the most expensive (average of $344). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Montrose

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Illinois to Montrose

Discover the top 2 airlines that operate flights from Illinois to Montrose. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$398FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$516FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.